Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 20, Issue 11, Pages 3077-3083Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201304064
Keywords
electron microscopy; gels; photochromism; switching
Categories
Funding
- European Research Council [227897]
- NANONED
- Netherlands organization for Scientific Research (NWO)
- Royal Netherlands Academy of Sciences (KNAW Academy Chair)
- Ministry of Education Culture and Science [024.001.035]
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Dithienylethene photochromic switching units have been incorporated into a hydrogelating system based on a tripeptide motif. The resulting hybrid system provided both a photochromic response and the ability to gelate water under acidic and neutral conditions. Fluorescence spectroscopy shows that the dithienylethene units are in sufficient proximity to each other to stack in gel fibers, with the tripeptide unit determining solubility. TEM measurements provided insight into the microscopic structure of the fibers formed.
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